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AGT3209 PDF预览

AGT3209

更新时间: 2022-12-17 01:04:39
品牌 Logo 应用领域
其他 - ETC 温度补偿
页数 文件大小 规格书
10页 637K
描述
Temperature Compensating Gamma Trimster TM ATT3209

AGT3209 数据手册

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Preliminary Information  
Temperature Compensating Gamma Trimster™ ATT3209  
DESCRIPTION  
FEATURES  
The ATT3209 is  
a
programmable gamma  
reference that is designed to address gamma  
correction in high-resolution LCD panels.  
·
9 Programmable Buffered Gamma  
Correction Outputs (VGMA0 – VGMA8)  
- VGMA Output Range 0 to 14V  
- VGMA Output Accuracy Better Than 1% of  
AVDD Reference  
- VGMA Output Drive > 100mA  
Nonvolatile Storage of 32 Gamma  
Reference Providing  
The gamma voltage outputs are programmable  
with their individual output values saved in a  
nonvolatile analog storage cell. The storage  
cells are arranged in a 9 x 32 array allowing  
thirty-two gamma correction profiles to be  
·
stored.  
Depending upon the application  
- Dynamic Gamma Correction and Gamma  
Correction Based on Programmed  
Temperature Profiles  
2 Programmable Buffered VCOM Outputs  
In System Programmability  
requirements the ATT3209 is configured to  
provide either two or three temperature  
compensated Bank Select outputs that would be  
used to drive the respective Bank Select inputs  
of the AGT3209 Gamma Trimster.  
·
·
·
Digital Programming Interface  
In addition to the V  
outputs there are two  
GMA  
APPLICATIONS  
·
programmable  
VCOM  
outputs  
providing  
Yield Improvement through Gamma  
Programming at Test  
Simple Implementation of Dynamic Gamma  
Compensation  
independent multiple VCOM trim points to  
minimize flicker on the LCD panel.  
·
·
·
LCD Panel Color Calibration  
Optimized Temperature Dependent Gamma  
Correction  
Typical Application  
Proprietary and Confidential  
Rev 2/7/2005  

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